Finding the Fourth Proportional to 439,773.18, 606,888.12 and 238,569.18
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Solution
The fourth proportional to 439,773.18, 606,888.12 and 238,569.18 is: 329,226.08
Step by Step Solution
- Step 1: Write the proportion equation
439,773.18 : 606,888.12 = 238,569.18 : x - Step 2: Convert to fraction form
439,773.18/606,888.12 = 238,569.18/x - Step 3: Cross multiply
439,773.18x = 606,888.12 × 238,569.18 - Step 4: Simplify right side
439,773.18x = 144,784,801,140.14 - Step 5: Solve for x
x = 144,784,801,140.14/439,773.18 - Step 6: Final answer
x = 329,226.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.